Heat Fluctuations in Brownian Transducers

Details Heat Fluctuations in Brownian Transducers Heat Fluctuations in Brownian Transducers

2006-02-06

arxiv.org/abs/cond-mat/0602144v2

Phys. Rev. E 73, 045101(R) (2006)

Physics

Condensed Matter

Statistical Mechanics

Comments are welcome

Scientific paper

10.1103/PhysRevE.73.045101

Heat fluctuation probability distribution function in Brownian transducers operating between two heat reservoirs is studied. We find, both analytically and numerically, that the recently proposed Fluctuation Theorem for Heat Exchange [C. Jarzynski and D. K. Wojcik, Phys. Rev. Lett. 92, 230602 (2004)] has to be modified when the coupling mechanism between both baths is considered. We also extend such relation when external work is present. Our work fixes the domain of applicability of the theorem in more realistic operating systems.

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